./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3607a2efd08edc90448739913473b3ff26ff3cc3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:22:37,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:22:37,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:22:37,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:22:37,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:22:37,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:22:37,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:22:37,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:22:37,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:22:37,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:22:37,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:22:37,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:22:37,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:22:37,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:22:37,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:22:37,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:22:37,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:22:37,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:22:37,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:22:37,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:22:37,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:22:37,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:22:37,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:22:37,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:22:37,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:22:37,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:22:37,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:22:37,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:22:37,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:22:37,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:22:37,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:22:37,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:22:37,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:22:37,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:22:37,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:22:37,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:22:37,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:22:37,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:22:37,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:22:37,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:22:37,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:22:37,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 19:22:37,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:22:37,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:22:37,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:22:37,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:22:37,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:22:37,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:22:37,876 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:22:37,877 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:22:37,877 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:22:37,878 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:22:37,879 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:22:37,880 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:22:37,880 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:22:37,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:22:37,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:22:37,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:22:37,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:22:37,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:22:37,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:22:37,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:22:37,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:22:37,884 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:22:37,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:22:37,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:22:37,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:22:37,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:22:37,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:22:37,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:22:37,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:22:37,890 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:22:37,891 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3607a2efd08edc90448739913473b3ff26ff3cc3 [2021-10-15 19:22:38,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:22:38,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:22:38,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:22:38,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:22:38,286 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:22:38,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2021-10-15 19:22:38,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/data/55d9dcd26/93db6963256247708b43df70108c178a/FLAG93b4ae927 [2021-10-15 19:22:39,049 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:22:39,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2021-10-15 19:22:39,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/data/55d9dcd26/93db6963256247708b43df70108c178a/FLAG93b4ae927 [2021-10-15 19:22:39,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/data/55d9dcd26/93db6963256247708b43df70108c178a [2021-10-15 19:22:39,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:22:39,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:22:39,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:22:39,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:22:39,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:22:39,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a877a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39, skipping insertion in model container [2021-10-15 19:22:39,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:22:39,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:22:39,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:22:39,793 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:22:39,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:22:39,899 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:22:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39 WrapperNode [2021-10-15 19:22:39,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:22:39,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:22:39,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:22:39,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:22:39,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:22:39,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:22:39,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:22:39,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:22:39,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:39,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:22:39,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:22:39,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:22:39,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:22:39,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (1/1) ... [2021-10-15 19:22:40,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:40,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:40,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:22:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:22:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:22:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:22:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:22:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:22:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:22:40,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:22:40,386 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-15 19:22:40,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:22:40 BoogieIcfgContainer [2021-10-15 19:22:40,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:22:40,390 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:22:40,390 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:22:40,394 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:22:40,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:22:40,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:22:39" (1/3) ... [2021-10-15 19:22:40,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63a3592c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:22:40, skipping insertion in model container [2021-10-15 19:22:40,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:22:40,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:22:39" (2/3) ... [2021-10-15 19:22:40,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63a3592c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:22:40, skipping insertion in model container [2021-10-15 19:22:40,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:22:40,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:22:40" (3/3) ... [2021-10-15 19:22:40,415 INFO L389 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2021-10-15 19:22:40,488 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:22:40,489 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:22:40,489 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:22:40,489 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:22:40,489 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:22:40,489 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:22:40,490 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:22:40,490 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:22:40,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:40,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 19:22:40,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:22:40,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:22:40,566 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 19:22:40,567 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 19:22:40,567 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:22:40,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:40,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 19:22:40,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:22:40,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:22:40,570 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 19:22:40,570 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 19:22:40,577 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~x~0, main_~count~1;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13;f_#in~a := main_~x~0;havoc f_#res;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~mem6, f_#t~mem7, f_#t~mem8, f_#t~mem9, f_#t~mem10, f_#t~post11, f_#t~mem5, f_#t~mem12, f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, f_~tmp~0.base, f_~tmp~0.offset, f_~count~0.base, f_~count~0.offset;f_~a := f_#in~a;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~a_ref~0.base, f_~a_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~tmp~0.base, f_~tmp~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~count~0.base, f_~count~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call write~int(f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(0, f_~tmp~0.base, f_~tmp~0.offset, 4);call write~int(0, f_~count~0.base, f_~count~0.offset, 4); 8#L554-3true [2021-10-15 19:22:40,578 INFO L793 eck$LassoCheckResult]: Loop: 8#L554-3true call f_#t~mem5 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4); 10#L554-1true assume !!(f_#t~mem5 > 1);havoc f_#t~mem5;call f_#t~mem6 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int((if f_#t~mem6 < 0 && 0 != f_#t~mem6 % 2 then f_#t~mem6 % 2 - 2 else f_#t~mem6 % 2), f_~tmp~0.base, f_~tmp~0.offset, 4);havoc f_#t~mem6;call f_#t~mem7 := read~int(f_~tmp~0.base, f_~tmp~0.offset, 4); 6#L556true assume !(0 == f_#t~mem7);havoc f_#t~mem7;call f_#t~mem9 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(f_#t~mem9 - 1, f_~a_ref~0.base, f_~a_ref~0.offset, 4);havoc f_#t~mem9; 9#L556-2true call f_#t~mem10 := read~int(f_~count~0.base, f_~count~0.offset, 4);f_#t~post11 := f_#t~mem10;call write~int(1 + f_#t~post11, f_~count~0.base, f_~count~0.offset, 4);havoc f_#t~mem10;havoc f_#t~post11; 8#L554-3true [2021-10-15 19:22:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:40,587 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-15 19:22:40,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:40,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076369962] [2021-10-15 19:22:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:40,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:40,751 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:22:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:40,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:22:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:40,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2021-10-15 19:22:40,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:40,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440889561] [2021-10-15 19:22:40,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:40,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:40,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:22:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:40,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:22:40,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:40,887 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-10-15 19:22:40,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:40,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134609490] [2021-10-15 19:22:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:40,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:40,971 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:22:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:22:41,043 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:22:42,208 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:22:42,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:22:42,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:22:42,210 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:22:42,210 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:22:42,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:42,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:22:42,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:22:42,211 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2021-10-15 19:22:42,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:22:42,211 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:22:42,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:42,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:22:43,543 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:22:43,551 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:22:43,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:22:43,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:22:43,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:22:43,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:22:43,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:43,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:22:43,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:22:43,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:22:43,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:22:43,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-15 19:22:43,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:22:43,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:43,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:43,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:43,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:22:43,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:43,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:43,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:43,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:22:43,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:43,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:43,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:43,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:22:43,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:43,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:43,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:43,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:43,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:43,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:43,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:43,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:43,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:22:43,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:43,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:43,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:43,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:43,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:44,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:44,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:44,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:44,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:44,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:44,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:44,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:44,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:44,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:44,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:44,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:44,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:44,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:22:44,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:44,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:44,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:44,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:44,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:22:44,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:44,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:44,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:44,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:44,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:44,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:44,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:44,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:22:44,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:44,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:44,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:44,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:44,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:22:44,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:22:44,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:22:44,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:22:44,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:22:44,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:22:44,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:22:44,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:22:44,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:22:44,329 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-15 19:22:44,330 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-15 19:22:44,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:22:44,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:22:44,334 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:22:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:22:44,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:22:44,404 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:22:44,404 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:22:44,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1 Supporting invariants [] [2021-10-15 19:22:44,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:44,599 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-15 19:22:44,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:44,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 19:22:44,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:22:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:44,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:22:44,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:22:44,844 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-15 19:22:44,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-10-15 19:22:44,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:22:45,214 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-15 19:22:45,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 72 [2021-10-15 19:22:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:45,703 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-15 19:22:45,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:45,844 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 9 states. [2021-10-15 19:22:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-15 19:22:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-10-15 19:22:45,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-15 19:22:45,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:22:45,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-15 19:22:45,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:22:45,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-15 19:22:45,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:22:45,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2021-10-15 19:22:45,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:22:45,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-15 19:22:45,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:22:45,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:22:45,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:22:45,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:45,860 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:22:45,860 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:22:45,860 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:22:45,860 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:22:45,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:22:45,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:22:45,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:22:45,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:22:45 BoogieIcfgContainer [2021-10-15 19:22:45,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:22:45,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:22:45,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:22:45,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:22:45,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:22:40" (3/4) ... [2021-10-15 19:22:45,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:22:45,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:22:45,873 INFO L168 Benchmark]: Toolchain (without parser) took 6515.13 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 53.7 MB in the beginning and 102.8 MB in the end (delta: -49.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:45,874 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:45,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.02 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 83.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:45,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 81.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:45,877 INFO L168 Benchmark]: Boogie Preprocessor took 29.52 ms. Allocated memory is still 113.2 MB. Free memory was 81.8 MB in the beginning and 80.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:45,877 INFO L168 Benchmark]: RCFGBuilder took 406.74 ms. Allocated memory is still 113.2 MB. Free memory was 80.5 MB in the beginning and 70.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:45,878 INFO L168 Benchmark]: BuchiAutomizer took 5477.31 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 102.8 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:45,878 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 136.3 MB. Free memory is still 102.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:45,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.02 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 83.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 81.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.52 ms. Allocated memory is still 113.2 MB. Free memory was 81.8 MB in the beginning and 80.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 406.74 ms. Allocated memory is still 113.2 MB. Free memory was 80.5 MB in the beginning and 70.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5477.31 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 102.8 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.58 ms. Allocated memory is still 136.3 MB. Free memory is still 102.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[a_ref][a_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 9 SDs, 0 SdLazy, 20 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital426 mio100 ax104 hnf100 lsp94 ukn43 mio100 lsp39 div100 bol100 ite100 ukn100 eq182 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:22:45,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ad069c-d6fb-43cb-b4b0-bf39f913aa45/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...